valence shell meaning in English
价电子层
价壳
原子价亮层
Examples
- Halogen atoms contain seven electrons in their valence shell .
卤原子在它们的介电子层含有七个电子。 - The ability of carbon to form stable compounds in such astonnishing numbers arises in that it utilizes its four valence electrons completely in the establishment of four covalence , its valence shell becomes saturzted
试译一下：碳能组成（有着）如此惊人数量的稳定的化合物在于它在四价共价健的建立中充分利用自己的四价电子，它的化学价层才能得以饱和。